Panel Meters > Bargraphs
The bargraph displays accept most common process signals such as 4 - 20 mA, 0 - 10 V, 1 - 5 V etc. All can be scaled to read in your preferred engineering units. Most have a 24V excitation output voltage which you can use to power a 2 wire or 3 wire input loop.
Suited for these applications and more:-